Home / 185,451.68-255,923.60-100,568.16

Finding the Fourth Proportional to 185,451.68, 255,923.60 and 100,568.16

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Solution

The fourth proportional to 185,451.68, 255,923.60 and 100,568.16 is: 138,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,451.68 : 255,923.60 = 100,568.16 : x
  2. Step 2: Convert to fraction form
    185,451.68/255,923.60 = 100,568.16/x
  3. Step 3: Cross multiply
    185,451.68x = 255,923.60 × 100,568.16
  4. Step 4: Simplify right side
    185,451.68x = 25,737,765,552.58
  5. Step 5: Solve for x
    x = 25,737,765,552.58/185,451.68
  6. Step 6: Final answer
    x = 138,784.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.